new home page (hello) link and quick search function on 'hello' page for non-lab-staff users; added optional sort_by to M::LabTest::get_section_lab_tests; added optional command-line arg to nycris.pl
patched _dispatch() in Roles::ULISA to prevent void context warning on io object; printed report displays foreign_id if exists, and reads lab abbreviation from config file instead of hard-coded; fixed line-endings on DB::Request
added _centre to %settings in lims_config.pl as $ENV{CENTRE} not available to app so Admin::Config::Settings::_get_settings could not load correct file for Oxford, Cambridge, etc; added base_href setting for wkhtmltopdf use in templates
bugfixes and formatting tweaks for print_run; copy_to clone needed deflate => 0; ajax date validation required no warnings uninitialized for hr & min fields
added datetime specimen taken to registration and print_view pages; removed CPA icon from report display (interferes with messaging lionks); changed colours on additional comments display
